.hide {
  display: none !important;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
}
.gutter {
  height: $gutter;
}
.fixed-top,
.fixed-bottom {
  position: fixed;
  left: 0;
  width: 100%;
  z-index: 9;
  button {
    img {
      margin-right: 0.08rem;
      width: auto;
      height: 0.14rem;
    }
    .icon {
      margin-right: 0.08rem;
    }
  }
}
.fixed-top {
  top: 0;
}
.fixed-bottom {
  bottom: 0;
}
pre {
  line-height: 1.5em;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial;
}
